make transparent backgrounds work propperly

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@560 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index dbf418d..a399491 100644 (file)
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -2387,11 +2387,11 @@ graph_paint(image_desc_t *im, char ***calcpr)
   
   node=gfx_new_area ( im->canvas,
                       0, 0,
-                      im->ximg, 0,
-                      im->ximg, im->yimg,
+                      0, im->yimg,
+                     im->ximg, im->yimg,                      
                       im->graph_col[GRC_BACK]);
 
-  gfx_add_point(node,0, im->yimg);
+  gfx_add_point(node,im->ximg, 0);
 
 #ifdef WITH_PIECHART
   if (piechart != 2) {
@@ -2645,7 +2645,7 @@ graph_paint(image_desc_t *im, char ***calcpr)
       return (-1);
     }
   }
-  gfx_render (im->canvas,im->ximg,im->yimg,0x0,fo);
+  gfx_render (im->canvas,im->ximg,im->yimg,0x00000000,fo);
   if (strcmp(im->graphfile,"-") != 0)
     fclose(fo);
   return 0;